165226333 has 4 divisors (see below), whose sum is σ = 165343068. Its totient is φ = 165109600.

The previous prime is 165226309. The next prime is 165226343. The reversal of 165226333 is 333622561.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 333622561 = 3319 ⋅100519.

It can be written as a sum of positive squares in 2 ways, for example, as 127735204 + 37491129 = 11302^2 + 6123^2 .

It is a cyclic number.

It is not a de Polignac number, because 165226333 - 2²¹ = 163129181 is a prime.

It is a super-2 number, since 2×165226333² = 54599482233253778, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 165226295 and 165226304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165226343) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56218 + ... + 59083.

It is an arithmetic number, because the mean of its divisors is an integer number (41335767).

Almost surely, 2^165226333 is an apocalyptic number.

It is an amenable number.

165226333 is a deficient number, since it is larger than the sum of its proper divisors (116735).

165226333 is a wasteful number, since it uses less digits than its factorization.

165226333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116734.

The product of its digits is 19440, while the sum is 31.

The square root of 165226333 is about 12854.0395596093. The cubic root of 165226333 is about 548.7313270698.

Adding to 165226333 its reverse (333622561), we get a palindrome (498848894).

The spelling of 165226333 in words is "one hundred sixty-five million, two hundred twenty-six thousand, three hundred thirty-three".